<!DOCTYPE html>
<title>transform-box: stroke-box (SVG layout)</title>
<link rel="match" href="./reference/svgbox-rect-ref.html">
<link rel="help" href="https://drafts.csswg.org/css-transforms-1/#transform-box">
<meta name="assert" content="This should display a rect whose center of rotation is at (20, 0) of its stroke-box."/>

<style>
#target {
  fill: green;
  stroke: black;
  stroke-width: 20;
  transform-box: stroke-box;
  transform-origin: 20px 0px;
  transform: rotate(90deg);
}
</style>

<svg width="400" height="300">
  <rect id="target" width="100" height="50" x="100" y="100"/>
</svg>

<div id="error"></div>
<script>
var refStyle = "stroke-box";
var compStyle = getComputedStyle(document.getElementById('target')).transformBox;
if (refStyle != compStyle)
  document.getElementById('error').textContent = "Error, got computed style " + compStyle;
</script>
